Notable: Miley bounced back from a rough outing against the Braves to pitch six strong innings of two-run ball in a 2-1 victory over the Marlins. He’s faced the Padres once this season, suffering the loss after allowing four earned runs on nine hits May 3. Padres slugger Chase Headley is 0 for 7 against Miley in his career. ... Cashner has allowed two or fewer runs in five of his six starts since moving out of the bullpen and into San Diego’s starting rotation. He’s been very effective using mostly just a two-pitch mix — a lights-out fastball and a solid change-up. He is 0-2 with a 4.22 ERA on the road and 3-0 with a 1.93 ERA at home.

By Sarah McLellanazcentral sports Sat May 25, 2013 8:57 PM

Improvement had been steady, enough for Diamondbacks center fielder Adam Eaton to be encouraged by the progress of his left elbow.

He recently began a rehabilitation stint in the minors and as he started to make more throws, his arm held up fine. Even his swing at the plate was better.

But a potential return to the Diamondbacks was put on hold after Eaton sent a throw to home plate Monday in his first start with Triple-A Reno.

“It didn’t feel as well as it should have,” he said.

Eaton suffered a tear in his ulnar collateral ligament during spring training. He came back to Phoenix on Wednesday for a visit with team physician Dr. Michael Lee and received an MRI that showed no new damage to the ligament, but there is some fluid around it.

“The UCL isn’t any worse,” Eaton said. “They said it looks good, but there’s just a little fluid in there which would cause some irritation. As of right now, we’re going to take off about three weeks and then re-evaluate from there.”

Eaton is set to receive a second opinion from Dr. James Andrews on Tuesday.

“It’s a three-week period where I can continue to get stronger in my arm and learn from this,” he said. “As tough as it is, as young as I am, I’ve never tasted any kind of adversity like this before. So it’s definitely going to be a learning process for me to kind of take a step back and learn day-to-day how I can be patient and get healthy.”

Busy bodies

The Diamondbacks finally feel like they’re getting into the meat of their schedule.

“I think things are just heating up,” manager Kirk Gibson said. “The season’s really getting going, and this is one of the challenges we face.”

After this series against the Padres and a doubleheader Monday against the Texas Rangers, the Diamondbacks are on the road for 15 of their next 18. With that in mind, Gibson said he’s going to be mindful of each player’s workload.

“I think the last game in Colorado was probably the first day I felt like we were just a little sapped of energy,” he said. “It was only a seven-day trip, total six games, but it caught up to us a little bit.”

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